x = int(input())
n = 0
if 100 >= x > 90:
    n = 5
elif x >= 80:
    n = 4
elif x >= 70:
    n = 3
elif x >= 60:
    n = 2
elif x > 0:
    n = 1
print(f"{x}分对应的五分制为{n}")



